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             AUSCERT External Security Bulletin Redistribution

                    ESB-2008.0924 -- [Win][UNIX/Linux]
 Symantec Veritas NetBackup Administration JAVA GUI Elevation of Privilege
                             26 September 2008

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        AusCERT Security Bulletin Summary
        ---------------------------------

Product:              Symantec Veritas NetBackup Enterprise Server 
                        5.1, 6.0, 6.5
                      Symantec Veritas NetBackup Server 5.1, 6.0, 6.5
Publisher:            Symantec
Operating System:     UNIX variants (UNIX, Linux)
                      Windows
Impact:               Administrative Compromise
Access:               Existing Account

Original Bulletin:  
  http://www.symantec.com/avcenter/security/Content/2008.09.24a.html

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SYM08-016
24 September 2008
Symantec Veritas NetBackup Administration JAVA GUI Elevation of
Privilege

Revision History
None

Risk Impact
Medium

Remote Access           Yes
Local Access            No
Authentication Required Yes
Exploit available       No

Overview
A non-privileged but authorized user could potentially leverage
Symantec Veritas NetBackup JAVA Administration Graphical User
Interface (GUI) to execute code with elevated privileges on the
server.

Affected Products

Product 			Version	Platform	Solution
Symantec Veritas NetBackup 	5.1 	All		5.1 MP7
Enterprise Server and 		6.0 	All		6.0 MP7
Symantec Veritas NetBackup 	6.5	All		6.5.2
Server

Note: Product versions prior to those listed above are NOT supported.
Customers running legacy product versions should upgrade and apply
available updates.

Unaffected Products

Product Version Platform
Symantec Veritas NetBackup Enterprise Server and Symantec Veritas
NetBackup Server 5.1 MP7 All
6.0 MP7 All
6.5.2 All

Details
The Java Administration GUI (jnbSA) in affected versions of Veritas
NetBackup could potentially allow an authorized but non-privileged
user to run commands which would normally require a higher privilege
to execute. The malicious user would need to be authenticated on the
system and logged in to the GUI in order to attempt to exploit this
vulnerability.

Symantec Response
Symantec engineers have verified that the vulnerability exists in the
versions of Veritas NetBackup listed in the table above. Updates have
been released to resolve the issue.
Symantec is not aware of any customers impacted by this issue, or of
any attempts to exploit the issue.
The updates for affected products are available from the "Related
Documents" section of the following Technote:
http://entsupport.symantec.com/docs/308583

Mitigation
A successful attacker must be logged in to the GUI to launch an
attack. Access to the NetBackup server should be limited to trusted
users.
Customers who want to limit exposure to any possibility of this type
of attempt prior to upgrading can disable the JAVA GUI as follows:
move the bpjava* binaries out of /usr/openv/netbackup/bin (UNIX/Linux)
Or
out of \VERITAS\Netbackup\bin (Windows)

Best Practices
As part of normal best practices, Symantec strongly recommends:
  * Restrict access to administration or management systems to
    privileged users.
  * Restrict remote access, if it is required, to trusted/authorized
    systems only.
  * Run under the principle of least privilege where possible to limit
    the impact of potential exploits.
  * Keep all operating systems and applications updated with the
    latest vendor patches.
  * Follow a multi-layered approach to security. Run both firewall and
    antivirus applications, at a minimum, to provide multiple points
    of detection and protection to both inbound and outbound threats.
  * Deploy network intrusion detection systems to monitor network
    traffic for signs of anomalous or suspicious activity. This may
    aid in detection of attacks or malicious activity related to
    exploitation of latent vulnerabilities

Credit
Symantec would like to thank Kyle Noonan of Sun Microsystems for
reporting this issue and coordinating with us on the resolution.

References
SecurityFocus, http://www.securityfocus.com, has assigned BID
31221 to this issue
This issue is a candidate for inclusion in the CVE list
(http://cve.mitre.org), which standardizes names for security
problems. A CVE Candidate name has been requested from the Common
Vulnerabilities and Exposures (CVE) initiative for this issue. This
advisory will be revised accordingly upon receipt of the CVE Candidate
name.
     ___________________________________________________________

Symantec takes the security and proper functionality of its products
very seriously. As founding members of the Organization for Internet
Safety (OISafety), Symantec follows the principles of responsible
disclosure. Symantec also subscribes to the vulnerability guidelines
outlined by the National Infrastructure Advisory Council (NIAC).
Please contact secure@symantec.com if you feel you have discovered
a potential or actual security issue with a Symantec product. A
Symantec Product Security team member will contact you regarding your
submission.

Symantec has developed a Product Vulnerability Handling Process
document outlining the process we follow in addressing suspected
vulnerabilities in our products. We support responsible disclosure of
all vulnerability information in a timely manner to protect Symantec
customers and the security of the Internet as a result of
vulnerability. This document is available from the location provided
below.

Symantec strongly recommends using encrypted email for reporting
vulnerability information to secure@symantec.com. The Symantec
Product Security PGP key can be obtained from the location provided
below.
Symantec-Product-Vulnerability-Response Symantec Vulnerability
Response Policy
http://www.symantec.com/security/Symantec-Product-Vulnerability-Response.pdf
Symantec Product Vulnerability Management PGP Key
http://www.symantec.com/security/Symantec-Vulnerability-Management-Key.asc
  _________________________________________________________________

Copyright (c) 2008 by Symantec Corp.
Permission to redistribute this alert electronically is granted as
long as it is not edited in any way unless authorized by Symantec
Security Response. Reprinting the whole or part of this alert in any
medium other than electronically requires permission from
secure@symantec.com.

Disclaimer
The information in the advisory is believed to be accurate at the time
of publishing based on currently available information. Use of the
information constitutes acceptance for use in an AS IS condition.
There are no warranties with regard to this information. Neither the
author nor the publisher accepts any liability for any direct,
indirect, or consequential loss or damage arising from use of, or
reliance on, this information.

Symantec, Symantec products, Symantec Security Response, and
secure@symantec.com are registered trademarks of Symantec Corp.
and/or affiliated companies in the United States and other countries.
All other registered and unregistered trademarks represented in this
document are the sole property of their respective companies/owners.
Last modified on: Wednesday, 24-Sep-08 15:23:45

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